JP4628289B2 - Combine No. 2 reduction vertical conveyor - Google Patents

Description

  The present invention relates to the technology of a combine second reduction vertical conveyor.

In the conventional combine, the second product after sorting by the sorting unit is sent to the second processing device via the second conveyor and the second reduction vertical conveyor, and after removing the branch rafts and the like by the second processing device, again A second reduction cycle for returning to the sorting section is adopted. The purpose of this second reduction cycle is to recover the high quality cocoons by appropriately removing the branch rachis adhering to the second product and sorting again. In such a second reduction cycle, as a technique for preventing the second product from staying, the second product transfer speed is controlled by controlling the rotational speed of the processing cylinder of the second processing device or the angle of the control valve. A technique for preventing the second product from staying and improving the quality of the recovered soot by publicly controlling it according to the amount of the product is publicly known (see Patent Documents 1 and 2). .
JP 2003-92919 A JP 2003-250329 A

  However, when cropping is performed with the crops wet, there is a possibility that the second item is frequently clogged inside the second reduction vertical conveyor and the second processing device. As the structure of the number processing apparatus, it is desired to have a structure that can easily perform internal inspection / cleaning, parts replacement work, and the like. Therefore, in the present invention, in view of such a current situation, the structure of the second reduction vertical conveyor and the second processing device that facilitates maintenance work such as internal inspection and cleaning of the second reduction vertical conveyor and the second processing device. The challenge is to provide technology related to this.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

In Claim 1, in the 2nd reduction | restoration vertical conveyor (48) of the combine (60) for returning the 2nd thing after a classification | category to the front part of a rocking | swiveling sorter (42), this 2nd reduction | restoration vertical conveyor (48) The lower part of 48) is configured to be vertically rotatable around the end of the second conveyor (47), and the upper end of the second reduction vertical conveyor (48) is the inlet of the second processing device (49). And the upper end of the second reduction vertical conveyor (48) and the inlet portion of the second processing device (49) can be separated in the vertical direction .

In Claim 2, in the 2nd reduction | restoration vertical conveyor of the combine of Claim 1, the upper case (49a) which comprises the inlet_port | entrance part of the said 2nd processing apparatus (49) in the upper front-end | tip of the said 2nd reduction | restoration vertical conveyor Are integrally configured .

In Claim 3, the 2nd reduction | restoration vertical conveyor of the combine of Claim 1 WHEREIN: The transfer part of the said 2nd conveyor (47) and the said 2nd reduction | restoration vertical conveyor (48) is comprised by the 2nd transfer case (48c). The second transfer case (48c) is configured to be vertically rotatable about the conveyor shaft (47b) of the second conveyor (47) .

  As effects of the present invention, the following effects can be obtained.

In Claim 1, in the 2nd reduction | restoration vertical conveyor (48) of the combine (60) for returning the 2nd thing after a classification | category to the front part of a rocking | swiveling sorter (42), this 2nd reduction | restoration vertical conveyor (48) The lower part of 48) is configured to be vertically rotatable around the end of the second conveyor (47), and the upper end of the second reduction vertical conveyor (48) is the inlet of the second processing device (49). And the upper end of the second reduction vertical conveyor (48) and the inlet part of the second processing device (49) can be separated in the vertical direction, so that the maintenance of the second reduction vertical conveyor is easy. it can.
In addition, the second reduction conveyor can be easily replaced.

  Further, the upper part of the second processing apparatus can be opened, and maintenance can be facilitated.

In Claim 2, in the 2nd reduction | restoration vertical conveyor of the combine of Claim 1, the upper case (49a) which comprises the inlet_port | entrance part of the said 2nd processing apparatus (49) in the upper front-end | tip of the said 2nd reduction | restoration vertical conveyor As a result , the second processing apparatus can be easily maintained.
Further, the number of parts can be reduced, and assembly can be facilitated.

In Claim 3, the 2nd reduction | restoration vertical conveyor of the combine of Claim 1 WHEREIN: The transfer part of the said 2nd conveyor (47) and the said 2nd reduction | restoration vertical conveyor (48) is comprised by the 2nd transfer case (48c). Since the second transfer case (48c) is configured to be rotatable up and down around the conveyor shaft (47b) of the second conveyor (47), the fixing bolt of the transfer case can be removed by removing the fixing bolt. The number reduction vertical conveyor can be easily rotated, and the conveyor shaft of the second conveyor can be used as the rotation axis and the drive shaft of the second reduction vertical conveyor, thereby reducing the number of parts.

  Next, embodiments of the invention will be described. First, the overall configuration of the combine 60 to which the present invention is applied will be described with reference to FIG. 1 or FIG. For convenience of explanation, the direction of arrow A (the forward side of the machine body) shown in FIG. 1 is the front, and the right side in the forward direction is the right.

  As shown in FIG. 1 or FIG. 2, in the combine 60 in the present embodiment, a crawler type traveling device 3 is installed on a track frame 2 that supports the machine frame 1, and a threshing device 20 is disposed above the machine frame 1. ing. In the threshing device 20, the feed chain 7 is stretched to the left in the direction of travel of the machine body, and a handling cylinder 24 and a dust feeding port processing cylinder 25 are incorporated. In the reaping device 10 configured so that the hydraulic cylinder 19 can be moved up and down via the reaping frame 12 at the front part of the machine body, the weed plate 11 protrudes from the front end to weed the cereals and is raised at the rear part. 13 is erected and caused by rotation of the tine 14 that is raised and protrudes from the case 13 to cause cereals, and the stock is cut with the cutting blade 15 disposed at the rear portion of the weed plate 11 and the harvested cereals are In addition, it is transported to the rear part by the grain transporting mechanism 17 such as the upper transporting device, the lower transporting device, and the vertical transporting device 16 and inherited by the feed chain 7. In the slaughtering processing unit 18 located behind the threshing device 20, a staking chain 31 is disposed in the upper part, and a staking cutter apparatus 32 is disposed in the lower part. Further, the refined grains after sorting are transported from the first conveyor 46, which will be described later, to the grain tank 4 via the cereal conveyor 44, and the grain in the grain tank 4 can be discharged out of the machine by the discharge auger 5. Yes. An operation unit 6 is provided in front of the Glen tank 4. The above is the description of the overall configuration of the combine 60.

  Next, the threshing device 20 and the sorting device 30 will be described with reference to FIG. As shown in FIG. 2, the handling chamber 21 formed in the threshing apparatus 20 is internally provided with a handling cylinder 24 that is pivoted in the front-rear direction of the machine body, and the cedar is inserted into the handling chamber 21 through the handling port 23. ing. A crimp net 22 is stretched under the handling chamber 21, and a swing sorting device 42 is supported on the machine frame 26 so as to be swingable in the front-rear direction with the front end facing the front of the crimp net 22. ing. The front and rear feed plates 35 and 36 of the swing sorting device 42 are arranged in two upper and lower stages below the crimp net 22, and the fluid line 33 is arranged on the rear end side of the front feed plate 35. Further, a chaff sheave 38 is continuously provided behind the rear end of the rear feed plate 36, and a grain sheave 37 is disposed below the chaff sheave 38. Further, a fixed chaff portion 39 is disposed between the rear portion of the chaff sheave 38 and the rear portion of the swinging main body 41. Further, in rear view, a dust feed processing cylinder 25 is provided in parallel on the right side of the handling cylinder 24, and in front view, the front part is wrapped around the rear part of the handling cylinder 24 so that the handling cylinder 24 cannot complete the processing. The processed grain is removed from the crimp net 25a disposed below the dust feed processing cylinder 25 and dropped onto the fixed chaff portion 39. The lower surface of the rear portion of the swinging body 41 is connected to be swingable by a swinging drive mechanism 34 such as a crankshaft.

  Also, a dust feed fan 43 that is a pre-fan that feeds sorting air between the upper and lower sides of both feed plates 35 and 36, and a main air blower that feeds sorting air between the chaff sheave 38 and the Glen sheave 37 and below the Glen sheave 37. It is configured to diffuse the grains that have leaked through the crimp nets 22 and 25a by blowing air from a certain Chinese fan 45. Then, “grain” and “grain meal” are sorted into “first thing”, “second thing”, “waste waste”, etc. by specific gravity sorting and wind sorting.

  The first conveyor 46 installed horizontally below the grain sieve 37 communicates with the cereal conveyor 44 and conveys and stores the grains in the grain tank 4. In addition, a second conveyor 47 is provided laterally behind the first conveyor 46, and the second item collected by the second conveyor 47 is conveyed to the second reduction vertical conveyor 48. Then, the second product is conveyed by the second reduction vertical conveyor 48 to the second processing device 49 connected to the front side end of the second reduction vertical conveyor 48, and the second product in the second processing device 49 is transferred to the second processing device 49. After the branch is removed by the processing cylinder, it is reintroduced to the sorting front part of the swinging body 41.

  Further, a suction fan 40 is disposed above the rear end of the swing sorting device 42, and the suction fan 40 sucks the waste and discharges it from the rear part of the machine body.

  In such a configuration, the cereals sandwiched by the feed chain 7 are shed by the rotation of the handling cylinder 24 provided in the handling chamber 21 of the threshing device 20 while being conveyed rearward, and the waste and the like are rearward. It is sent to the waste cutter device 32 and released to the field from behind after cutting. On the other hand, the grains, swarf, etc. that have leaked through the crimp net 22 fall on the swing sorting device 42, and are sent backward while being swing sorted. Then, the grains, swarf, etc. pass through the chaff sheave 38, the grain sheave 37, etc., and fall onto the top most while being guided by the drifting slab, etc., and in the middle of the fall, the dust feeding fan 43 and the tang fan 45 Wind sorting is performed by the sorting wind supplied from.

  That is, among the grains, immature grains, shoots adhering grains, fine swarf, etc. that have leaked onto the grain sieve 37, the cereal grains, immature grain, fine swarf, etc. pass through the grain sieve 37 and fall downward. . At this time, the heaviest grain (the first thing) is placed in the first recovery part 46a (the bottom of the sorting device 30 provided behind the front feed plate 35 and the first conveyor 46 is accommodated). It is collected and conveyed from the first conveyor 46 to the Glen tank 4 through the cereal conveyor 44.

  On the other hand, unprocessed grains (second product etc.) mixed with immature grains with a small weight, a part of fine swarf, spiked grains, grains, etc. are blown back by the sorting wind from the Kara fan 45, It is collected in the second collection part 47a (the depression at the bottom of the sorting device 30 provided behind the first collection part 46a and the second conveyor 47 is accommodated), and then from the second conveyor 47 to the second reduction vertical conveyor. After passing through 48, it is conveyed to the second processing device 49, and after the branch is removed by the second processing device 49, it is returned to the front feed plate 35. The above is the description of the threshing device 20 and the sorting device 30.

  Next, the second reduction device 50, which is the gist of the present invention, will be described in detail with reference to FIG. 2 or FIG. As shown in FIG. 2, the second reduction device 50 includes a second conveyor 47, a second reduction vertical conveyor 48, and a second processing device 49. As described above, the second product after threshing is reduced onto the front feed plate 35 by the second reduction device 50. That is, the second reduction device 50 communicates the second reduction vertical conveyor 48 with the end of the second conveyor 47, and the start end of the second processing device 49 with the end of the second reduction vertical conveyor 48. It is configured to return to the swing sorting device 42 from the end of the processing device 49.

  More specifically, as shown in FIG. 2, the second item among the grains, swarf and the like leaking from the crimp net 22 is collected on the second conveyor 47. The second reduction vertical conveyor 48 is constituted by a screw conveyor as a conveying means, the start end portion thereof communicates with the left and right sides of the second conveyor 47, and the terminal end of the second reduction vertical conveyor 48 extends forward and upward. Connected to the second processing device 49. The second processing device 49 is disposed at the front upper portion of the swing sorting device 42, that is, at the upper portion of the front feed plate 35, and communicates with the end (upper front end) of the second reduction vertical conveyor 48 at the start end. The left end portion of the processing device 49 communicates with the charging port opened in the front lower portion of the right side surface of the handling chamber 21 so as to reduce the second thing. The above is the description of the second reduction device 50.

  Next, the mode at the time of rotation in the maintenance etc. of the 2nd reduction | restoration apparatus 50 is demonstrated using FIG. 3 thru | or FIG. As shown in FIG. 3, the second reduction vertical conveyor 48 includes a main body case 48a, a screw 48b, a transfer case 48c, a discharge part 48d, and the like. The transfer case 48c is fixed to the machine frame 26, and the discharge part 48d The upper case 49a of the second processing device 49, which will be described later, is fixed and supported. Further, the rotation is transmitted to the lowermost part (or the highest part) of the screw 48b, so that the rotation is transmitted to the screw 48b constituted by a screw conveyor via a bevel gear (not shown) or the like. It is configured to be conveyed obliquely forward and upward.

  As shown in FIGS. 3 to 5, the second reduction vertical conveyor 48 is supported by the end of the conveyor shaft 47b of the second conveyor 47, whereby the second reduction vertical conveyor 48 is The conveyor shaft 47b is configured to be pivotable up and down. That is, the bolts 51a, 51b, 51c of the fixing portions provided on the outer peripheral edge of the machine frame 26 and the transfer case 48c, and the upper case 49a and the lower case 49b of the second processing device 49 fixed to the lower portion of the discharge portion 48d. By removing the bolts 52a and 52b of the fixing portion, the second reduction vertical conveyor 48 can be easily rotated about the conveyor shaft 47b. That is, a plurality of bolt holes are opened in the outer peripheral edge of the transfer case 48c so as to penetrate in a direction parallel to the conveyor shaft 47b, and the bolts 51a, 51b, 51c are screwed into the screw holes provided on the machine frame 26 side. It can be fixed. However, the bolt hole provided in the outer peripheral edge portion of the transfer case 48c is formed as a long hole centered on the conveyor shaft 47b, so that the second reduction can be achieved simply by loosening the bolts 51a, 51b, 51c of the fixed portion without removing them. It becomes possible to turn the vertical conveyor 48 upward, and it is possible to prevent the bolts from being lost without the second reducing vertical conveyor 48 being pulled out sideways. At this time, as shown in FIG. 5, all bolt holes (three in this embodiment) may be formed as long holes, or one of the bolt holes may be formed as a long hole. Good. In addition, the angle can be limited so that it can be rotated within the range that does not interfere with other members at the time of upward rotation by the long hole, and the second reduction vertical conveyor 48 is fixed to the upward rotation position by tightening the bolt. You can also. Note that the number of bolts and nuts in the fixing portion is not limited, and a one-touch fitting other than the bolts and nuts may be used to make the removal work easier.

  Further, as shown in FIGS. 3 to 4, the second processing device 49 includes an upper case 49a, a lower case 49b, a second processing cylinder (not shown), and the like. The plane is parallel to the shaft center (the conveyor shaft 47b and the axis of the second processing cylinder) and can be divided into two substantially vertically. The upper case 49 a is fixed to the lower part of the discharge portion 48 d of the second reduction vertical conveyor 48, and the lower case 49 b is fixed to the machine frame 26. That is, the case of the second processing device 49 is disposed through the machine frame 26 in the left-right direction, and the case serving as an inlet portion for feeding the second reduced product located outside the machine frame 26 is the lower case. 49b is separable up and down. Therefore, it is possible to remove only the upper case 49a while leaving the lower case 49b on the machine frame 26 side. With this configuration, the cases 49a and 49b are coupled and integrated with each other by bolts 52a and 52b during normal operation, but the bolts 52a and 52b for coupling are removed during maintenance. Thus, the upper case 49a and the second reduction vertical conveyor 48 can be rotated upward with the lower case 49b left on the machine frame 26 side, and the upper part of the second processing device 49 on the upper case 49a side can be opened. It is configured. At this time, the inside of the upper surface side of the second processing apparatus 49 is exposed over substantially the entire length, so that the maintenance work inside the second processing apparatus 49 can be easily performed.

  Further, since the second reduction vertical conveyor 48 can be rotated so as to be in a vertical state, the screw 48b can be easily pulled out, and the replacement work of the screw 48b can be easily performed. The above is description about the aspect at the time of rotation of the 2nd reduction | restoration apparatus 50. FIG.

  As shown in the above description, in the second reduction vertical conveyor 48 of the combine 60 for returning the second product after sorting to the front part of the swing sorting device 42, the second reduction vertical conveyor 48 is replaced with the second conveyor 47. It is comprised so that rotation is possible centering on the edge part. Thereby, the maintenance of the second reduction vertical conveyor 48 can be facilitated. In addition, the second reduction conveyor can be easily replaced.

  Further, the tip of the second reduction vertical conveyor 48 is connected to the inlet portion (upper case 49a) of the second processing device 49, and the tip of the second reduction vertical conveyor 48 (that is, the upper case 49a) and the lower case 49b are connected. It is configured to be separable in the vertical direction. Thereby, the upper part of the second processing device 49 can be opened, and maintenance can be facilitated.

  Further, an upper case 49 a of the second processing device 49 is integrally formed at the tip of the second reduction vertical conveyor 48. Thereby, the maintenance of the second processing device 49 can be easily performed. In addition, the number of parts can be reduced to facilitate assembly.

  Further, the transfer case 48c of the transfer section of the second conveyor 47 and the second return vertical conveyor 48 is configured to be rotatable about the conveyor shaft 47b of the second conveyor 47 as an axis. Accordingly, by removing the fixing bolt of the transfer case 48c, the second reduction vertical conveyor 48 can be easily rotated, and the conveyor shaft 47b of the second conveyor 47 is connected to the rotation axis and the drive shaft of the second reduction vertical conveyor 48. The number of parts can be reduced.

The right view which showed the whole structure of the combine which concerns on one Example of this invention. The right view which showed the detail of the threshing apparatus and the sorting apparatus. The side view which shows the whole aspect at the time of 2nd reduction | restoration apparatus rotation. The side view which shows the detailed aspect of the 2nd processing apparatus part at the time of 2nd reduction | restoration apparatus rotation. The side view which similarly shows the detailed aspect of a inheritance case part.

42 Swing sorter 47 Second conveyor 48 Second reduction vertical conveyor 60 Combine

Claims (3)

In the second reduction vertical conveyor (48) of the combine (60) for returning the second product after sorting to the front part of the swing sorting device (42), the lower part of the second reduction vertical conveyor (48) The second conveyor (47) is configured to be rotatable up and down around the end thereof, and the upper end of the second reduction vertical conveyor (48) is connected to the inlet of the second processing device (49). A combine second reducing vertical conveyor characterized in that the upper end of the number reducing vertical conveyor (48) and the inlet of the second processing device (49) can be separated in the vertical direction . The combine No. 2 reduction vertical conveyor of Claim 1 WHEREIN: The upper case (49a) which comprises the inlet_port | entrance part of the said 2nd processing apparatus (49) is integrally comprised in the upper front-end | tip of the said No. 2 reduction vertical conveyor. Combine a double-dip reduction vertical conveyor, characterized in that it was. The combine No. 2 vertical conveyor of Claim 1 WHEREIN: The transfer part of the said No. 2 conveyor (47) and the said No. 2 return vertical conveyor (48) is comprised by the No. 2 transfer case (48c), and this No. 2 transfer The combine second reduction vertical conveyor characterized in that the case (48c) is configured to be vertically rotatable about the conveyor shaft (47b) of the second conveyor (47) .

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